Work is hard. But it has to be done. Push through.
Take initiative. Be more focused on the process towards the goal instead of the goal itself. Nothing worthwhile will just fall into the lap of an expectant person.
Relying on people and taking advantage of people are two very different things that can easily be confused.
Know when it is acceptable to be honest with your limits and be kind to yourself, and know when you need to shut up and get it over with.
Remember that there are other ways to make money.
Sacrifices don't always have to be called sacrifices; that word is overwhelming. Also, they don't always have to hurt or impair.
Things usually tend to seem okay-er in the morning.